Intervention effectmodel-written summary

The precision management combination significantly improved agronomic efficiency of nitrogen relative to soil application of fertilizers, reaching 62.87.

A claim from Precision Management Practices - A Much Needed Set of Agro-Techniques to Improve Rice Productivity and Cutback the Resources in Aerobic Condition under Drip Irrigation · 2017

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The precision management combination significantly improved agronomic efficiency of nitrogen relative to soil application of fertilizers, reaching 62.87.

Taxon
aerobic ricee0
Treatment
application of 25% N&K from sowing to 30 DAS + 25% N&K from 31 to 50 DAS + 25% N&K from 51 to 80 DAS + 25% N&K from 81 to 105 DAS with planting geometry of 25×15 cm and drip irrigation scheduling at 125% PE up to tillering + 150% PE from tillering to PI + 200% PE from PI to physiological maturitye0
Outcome
agronomic efficiency of nitrogene0
Direction
higherinferrede0
Value
62.87e0
Comparator
soil application of fertilizerse0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSettingQualifier

Verbatim

e0

“application of 25% N&K from sowing to 30 DAS + 25% N&K from 31 to 50 DAS + 25% N&K from 51 to 80 DAS + 25% N&K from 81 to 105 DAS with planting geometry of 25×15 cm and drip irrigation scheduling at 125% PE up to tillering + 150% PE from tillering to PI + 200% PE from PI to physiological maturity recorded significant grain yield (8.56 t ha-1), agronomic efficiency of nitrogen, phosphorus & potassium (62.87, 125.74 and 125.74 kg kg-1, respectively) and net returns & B:C ratio (₹ 82,853 and 2.47, respectively) than soil application of fertilizers in aerobic rice”

✓ located verbatim in the source · abstract, characters 562–1128

Title

Precision Management Practices - A Much Needed Set of Agro-Techniques to Improve Rice Productivity and Cutback the Resources in Aerobic Condition under Drip Irrigation

D.S. Prabhudeva; Naga raju; T. Sheshadri; et al. International Journal of Current Microbiology and Applied Sciences 2017. doi:10.20546/ijcmas.2017.608.333

Other claims from this paper (5)

Record rev-9e2fedf4fec67f7f7cae420009179d4169fbfab6e7453a2ed1161495e572d297 · schema claims-v0.9 · position 2 in the model’s answer

tillage · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

27 papers: 21 positive, 6 negative or no effect

20 papers in the same direction as this claim · 5 in the opposite direction · 1 reporting no difference from an alternative

  1. negative
    Conversion from conventional to minimum tillage reduced N-use efficiency by 28%.

    Bio-Compost-Based Integrated Soil Fertility Management Improves Post-Harvest Soil Structural and Elemental Quality in a Two-Year Conservation Agriculture Practice · 2021 · compared with CT

    Opposite direction

  2. negative
    No tillage decreased apparent N recovery.

    Conservation tillage in temperate rice cropping systems: Crop production and soil fertility · 2024

    Opposite direction

  3. no effect
    Higher basic and tillering nitrogen did not improve whole-period nitrogen use efficiency.

    Effects of the Amount of Basic and Tillering Nitrogen Applied on Absorption and Utilization of Nitrogen in Rice · 2004

    Opposite direction

  4. negative
    No-tillage decreased rice uptake of nitrogen from incorporated straw and nitrogen use efficiency.

    Influence of Tillage Patterns on Incorporated Straw Nitrogen Release and Nitrogen Utilization of Rice · 2009

    Opposite direction

  5. negative
    No tillage reduced rice nitrogen use efficiency by 15.6% compared with conventional tillage.

    Effects of Tillage Methods on Scattered-Transplanting Rice Growth and Nitrogen Use Efficiency · 2001 · compared with conventional tillage

    Opposite direction

  6. no effect
    Foliar nano urea produced statistically similar rice nutrient use efficiency to the conventional fertilizer rate.

    Nano fertilizers and its effect on nutrient use efficiency in rice · 2024 · compared with 90:45:45 kg N, P2O5 & K2O (KAU POP)

    No difference from an alternative

  7. positive
    Agronomic efficiency of foliar nitrogen application in bed planting was higher than the conventional method.

    Foliar Spray of Nitrogen Fertilizer on Raised Bed Increases Yield of Transplanted Aman Rice over Conventional Method · 2012 · compared with conventional method

    Same direction

  8. positive
    Reducing fertilizer to 45 kg N ha−1 increased nitrogen use efficiency under both tillage practices.

    Impact of nitrogen fertilization and tillage practices on nitrous oxide emission from a summer rice ecosystem · 2019 · compared with 60 kg N ha−1

    Same direction

18 papers more in this group

See all 27 papers →

irrigation · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

36 papers: 32 positive, 4 negative or no effect

31 papers in the same direction as this claim · 2 in the opposite direction · 2 reporting no difference from an alternative

  1. no effect
    Agronomic nitrogen-use efficiency was not different between the two water treatments.

    Interaction between N Application and Water Management in Dry-Seeded Rice · 1999

    Opposite direction

  2. negative
    Alternate wetting and drying decreased rice nitrogen uptake efficiency in acidic, low-nutrient soils.

    Alternate wetting and drying and nitrogen fertilizations under different soil conditions alter carbohydrate and nitrogen metabolisms in rice · 2025

    Opposite direction

  3. no effect
    Straighthead irrigation had similar nitrogen use efficiency and grain yield to continuous flooding.

    Water management strategies and their effects on rice grain yield and nitrogen use efficiency · 2018 · compared with continuously flooded production system

    No difference from an alternative

  4. no effect
    Nitrogen use efficiency indices were comparable between AWD and continuous flooding with biogas effluent and synthetic fertilizer.

    Effects of Cattle Biogas Effluent Application and Irrigation Regimes on Rice Growth and Yield: A Mesocosm Experiment · 2022 · compared with CF

    No difference from an alternative

  5. positive
    SRI partial factor productivity exceeded traditional flooding across nitrogen rates, except that the difference at 240 kg N ha −1 was not significant.

    INFLUENCE OF THE SYSTEM OF RICE INTENSIFICATION ON RICE YIELD AND NITROGEN AND WATER USE EFFICIENCY WITH DIFFERENT N APPLICATION RATES · 2009 · compared with TF

    Same direction

  6. positive
    AWD increased rice root and shoot biomass, root oxidation activity, leaf photosynthetic NUE and harvest index.

    Effect of irrigation regime on grain yield, water productivity, and methane emissions in dry direct-seeded rice grown in raised beds with wheat straw incorporation · 2018

    Same direction

  7. positive
    water-saving irrigation increased nitrogen use efficiency.

    Effect of Irrigation and Fertilizer Management on Rice Yield and Nitrogen Loss: A Meta-Analysis · 2022

    Same direction

  8. positive
    Controlled irrigation and site-specific N management significantly increased N use efficiency by 15.1% to 34.9%.

    Nitrogen Loss from Paddy Field with Different Water and Nitrogen Managements in Taihu Lake Region of China · 2013

    Same direction

27 papers more in this group

See all 36 papers →

nitrogen · nutrient: efficiency · Oryza sativa (rice)Positive and negative results

262 papers: 217 positive, 45 negative or no effect

216 papers in the same direction as this claim · 41 in the opposite direction · 4 reporting no difference from an alternative

  1. negative
    Reducing the nitrogen rate lowered nitrogen use efficiency.

    Effect of side deep placement of nitrogen on yield and nitrogen use efficiency of single season late japonica rice · 2021

    Opposite direction

  2. negative
    One basal nitrogen split gave the lowest agronomic efficiency.

    Optimizing Nitrogen Options for Improving Nitrogen Use Efficiency of Rice under Different Water Regimes · 2019

    Opposite direction

  3. no effect
    At low N application rates, crop yields and NUE did not significantly increase with manure substitution.

    Effect of replacing synthetic nitrogen fertilizer with animal manure on grain yield and nitrogen use efficiency in China: a meta‐analysis · 2023

    Opposite direction

  4. negative
    Rice N partial factor productivity was about 20% lower in fields with inefficient N management than in fields with efficient N management.

    Rice yield gaps and nitrogen-use efficiency in the Northwestern Indo-Gangetic Plains of India: Evidence based insights from heterogeneous farmers’ practices · 2021 · compared with fields with efficient N management

    Opposite direction

  5. negative
    Agronomic nitrogen use efficiency decreased as nitrogen rate increased.

    Effects of nitrogen application rate and hill density on rice yield and nitrogen utilization in sodic saline–alkaline paddy fields · 2021

    Opposite direction

  6. negative
    Zero nitrogen gave significantly higher PNUE.

    Genotypic variation in traditional rice varieties for chlorophyll content, SPAD value and nitrogen use efficiency · 1970

    Opposite directionAbout lacking this nutrient, so it counts the other way round

  7. negative
    High nitrogen application led to lower nitrogen use efficiency.

    Intensification of rice-based farming systems in Central Luzon, Philippines: Constraints at field, farm and regional levels · 2018

    Opposite direction

  8. negative
    160 kg N/ha reduced agronomic efficiency of N use at both sites.

    Nitrogen and Zinc Interaction Improves Yield and Quality of Submerged Basmati Rice (Oryza sativa L.) · 2014

    Opposite direction

253 papers more in this group

See all 262 papers →

3 of 4 groups shown: named compounds and organisms first, then groups whose results differ (checked claim by claim), then those with positive and negative results, then the smaller groups.

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.